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High thermal stability up to 250 °C continuous use temperature.
Excellent electrical insulation properties with low dielectric loss.
Solvent-soluble in aromatic and ketone solvents for versatile formulation.
Good adhesion to metals, ceramics, and common polymer substrates.
Low surface energy enabling hydrophobic and oleophobic surface characteristics.
Heat-resistant coatings for automotive engine components.
Insulating varnishes for electric motors and transformers.
Matrix resin in high-performance composite materials for aerospace.
Surface treatment agents for corrosion-resistant metal finishes.
Functional additive in specialty release coatings and anti-fouling systems.
| Chemical Type | Phenyl-methyl silicone resin |
| Product Form | Clear liquid or flake (solvent-free or solvent-diluted) |
| Appearance | Colorless to pale yellow transparent liquid or solid flakes |
| Primary Applications | High-temperature coatings, electrical insulation, functional additives |
| Key Features | Thermal resistance, dielectric performance, substrate adhesion |
| Benefits | Extended service life under thermal stress, improved insulation reliability, formulation flexibility |
| Solubility | Soluble in toluene, xylene, MEK, acetone; insoluble in water |
| Storage Condition | Store in sealed container at 5–30 °C, avoid moisture and direct sunlight |
Q1: What is the primary function of KR-9706 in coating and ink formulations?
A: KR-9706 is a methyl-phenyl silicone resin designed to enhance surface slip, improve mar resistance, and reduce coefficient of friction in solvent-based and high-solids coatings, overprint varnishes, and gravure/flexo inks.
Q2: Is KR-9706 compatible with common organic resin systems?
A: Yes — KR-9706 exhibits good compatibility with acrylics, polyesters, alkyds, nitrocellulose, and epoxy resins when properly dispersed, especially in aromatic or ketone-based solvents. Compatibility should be verified under actual formulation conditions due to sensitivity to polarity and molecular weight distribution.
Q3: How is KR-9706 typically incorporated into a formulation?
A: It is generally added during the let-down or post-additive stage using high-shear mixing. Pre-dilution in a suitable solvent (e.g., xylene, MEK, or toluene) is recommended to ensure uniform dispersion and avoid agglomeration.
Q4: Does KR-9706 require thermal curing to develop its performance benefits?
A: No — its surface-active effects are largely physical and manifest upon solvent evaporation and film formation. However, elevated temperature drying may improve resin migration to the air interface and optimize final surface properties.
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E-mail: wangxingqiang@ericwchem.com
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